package cn.stacey.offer01;

import java.util.Scanner;

public class ato {
public static void main(String[] args) {
	Scanner sc=new Scanner(System.in);
	System.out.println("请输入一串英文");
	String input=sc.nextLine();
	char[] chars=input.toCharArray();
	for(int i=0;i<chars.length;i++) {
		if(chars[i]=='a'||chars[i]=='A') {
			chars[i]='c';
		}
	}
	System.out.println(String.valueOf(chars));
}	
}
